@inbook {Christensen-1993-PTL,
	author=		"Jon Christensen and Joe Marks and Stuart Shieber",
	booktitle=	"Graphics Gems IV",
	chapter=	"1",
	publisher=	"Academic Press",
	title=		"Placing Text Labels on Maps and Diagrams",
	year=		"1993",
	theme=		"natural and tech",
	project=	"genetic",
	added-by=	"Christina Kennedy",
	date-added=	"Mon December 15 10:06:34 2003"
}
@inbook {Christensen-1993-PTL-url,
	author=		"Jon Christensen and Joe Marks and Stuart Shieber",
	booktitle=	"Graphics Gems IV",
	chapter=	"1",
	note=		" \url{http://vis.cs.brown.edu/docs/pdf/bib/g/Christensen-1993-PTL.pdf.html}{(pdf)} \url{http://vis.cs.brown.edu/results/bibtex/Christensen-1993-PTL.bib}{(bibtex: Christensen-1993-PTL)}",
	publisher=	"Academic Press",
	title=		"Placing Text Labels on Maps and Diagrams",
	year=		"1993",
	theme=		"natural and tech",
	project=	"genetic",
	added-by=	"Christina Kennedy",
	date-added=	"Mon December 15 10:06:34 2003"
}